FANUC Robotics America V7865* User Manual

Page 47

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47

Interrupts

2

Table 2-4 Interrupt Vector Table

Interrupt No.

IRQ

Line

Real Mode

Protected Mode

HEX

DEC

00

0

Divide Error

Same as Real Mode

01

1

Debug Single Step

Same as Real Mode

02

2

NMI

Memory Parity Error,
VME Interrupts

Same as Real Mode
(Must be enabled in BIOS Setup)

03

3

Debug Breakpoint

Same as Real Mode

04

4

ALU Overflow

Same as Real Mode

05

5

Print Screen

Array Bounds Check

06

6

Invalid OpCode

07

7

Device Not Available

08

8

IRQ0

Timer Tick

Double Exception Detected

09

9

IRQ1

Keyboard Input

Coprocessor Segment Overrun

0A

10

IRQ2

BIOS Reserved

Invalid Task State Segment

0B

11

IRQ3

COM2 Serial I/O

Segment Not Present

0C

12

IRQ4

COM1 Serial I/O

Stack Segment Overrun

0D

13

IRQ5

Unassigned

Unassigned

0E

14

IRQ6

Floppy Disk Controller

Page Fault

0F

15

IRQ7

Unassigned

Unassigned

10

16

BIOS Video I/O

Coprocessor Error

11

17

System Configuration Check

Same as Real Mode

12

18

Memory Size Check

Same as Real Mode

13

19

XT Floppy/Hard Drive

Same as Real Mode

14

20

BIOS Comm I/O

Same as Real Mode

15

21

BIOS Cassette Tape I/O

Same as Real Mode

16

22

BIOS Keyboard I/O

Same as Real Mode

17

23

BIOS Printer I/O

Same as Real Mode

18

24

ROM BASIC Entry Point

Same as Real Mode

19

25

Bootstrap Loader

Same as Real Mode

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